Subtract 30/84 from 70/9
1st number: 7 7/9, 2nd number: 30/84
70/9 - 30/84 is 935/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
70/9 = 70 × 28/9 × 28 = 1960/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Subtract the two like fractions:
1960/252 - 90/252 = 1960 - 90/252 = 1870/252 - After reducing the fraction, the answer is 935/126
- In mixed form: 753/126
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